[Ads-l] Antedating "machine head" (OED 1890)

[John Doe]

c.1773 Amateur Work Illu. by Francis Young Vol. I Fig. 43 represents a
machine head; these certainly carry the palm, so far as ease in tuning is
concerned[.]
https://www.google.com/books/edition/Amateur_work_illustrated/qBwGAAAAQAAJ?hl=en&gbpv=1&dq=%22machine+head%22&pg=PA394&printsec=frontcover
(Note: I can't find the actual date printed anywhere in the book, so I'm
relying on Google Books ro be accurate with its dates.)

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